yes! one can set custom message tone in samsung m series. All you have to do is open the chat box of the person for whom you want to set the tone. Next is tap the option tab which is at the right hand corner of the screen. After that choose notificat...
you can use wide angle for clicking pictures.Another tip according to me is not to use flash during day time. The natural light enhances the picture quality. And at night, if possible use the night mode. Its a good feature.